Sigaus campestris is a species of short-horned grasshopper in the family Acrididae. It is found in South Island of New Zealand. This species is fairly widespread in Canterbury and Otago, found from 400 to 1,200 m above sea level. Sigaus campestris is a flightless species and expected to lose 45 - 67% of its current range due to climate change. Sigaus campestris is sister to the endangered species Sigaus minutus.

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